示例#1
0
/****************************************************************************
 * http_request
 * Retrieves the specified URL, and stores it in the specified file or buffer
 ***************************************************************************/
int http_request(const char *url, FILE *hfile, u8 *buffer, u32 maxsize, bool silent)
{
	int res = 0;
	char http_host[1024];
	char http_path[1024];
	u16 http_port;

	http_res result;
	u32 http_status;
	u32 sizeread = 0, content_length = 0;

	int linecount;

	if(maxsize > MAX_SIZE)
		return 0;

	if (url == NULL || (hfile == NULL && buffer == NULL))
		return 0;
		
	if (!http_split_url(http_host, http_path, url))
		return 0;

	http_port = 80;
	http_status = 404;

	int s = tcp_connect(http_host, http_port);

	if (s < 0)
	{
		result = HTTPR_ERR_CONNECT;
		return 0;
	}

	char request[1024];
	char *r = request;

	r += sprintf(r, "GET %s HTTP/1.1\r\n", http_path);
	r += sprintf(r, "Host: %s\r\n", http_host);
	r += sprintf(r, "Cache-Control: no-cache\r\n\r\n");

	res = tcp_write(s, (u8 *) request, strlen(request));

	char line[256];

	for (linecount = 0; linecount < 32; linecount++)
	{
		if (tcp_readln(s, line, 255) != 0)
		{
			http_status = 404;
			result = HTTPR_ERR_REQUEST;
			break;
		}

		if (strlen(line) < 1)
			break;

		sscanf(line, "HTTP/1.%*u %u", &http_status);
		sscanf(line, "Content-Length: %u", &content_length);
	}

	if (http_status != 200)
	{
		result = HTTPR_ERR_STATUS;
		net_close(s);
		return 0;
	}

	// length unknown - just read as much as we can
	if(content_length == 0)
	{
		content_length = maxsize;
	}
	else if (content_length > maxsize)
	{
		result = HTTPR_ERR_TOOBIG;
		net_close(s);
		return 0;
	}

	if (buffer != NULL)
	{
		if(!silent)
			ShowAction("Downloading...");

		sizeread = tcp_read(s, buffer, content_length);

		if(!silent)
			CancelAction();
	}
	else
	{
		// read into file
		u32 bufSize = (1024 * 32);
		u32 bytesLeft = content_length;
		u32 readSize;

		if(!silent)
			ShowProgress("Downloading...", 0, content_length);
		u8 * fbuffer = (u8 *) malloc(bufSize);
		if(fbuffer)
		{
			while (bytesLeft > 0)
			{
				if (bytesLeft < bufSize)
					readSize = bytesLeft;
				else
					readSize = bufSize;

				res = tcp_read(s, fbuffer, readSize);
				if (!res)
					break;

				sizeread += res;
				bytesLeft -= res;

				res = fwrite(fbuffer, 1, res, hfile);
				if (!res)
					break;

				if(!silent)
					ShowProgress("Downloading...", (content_length - bytesLeft), content_length);
			}
			free(fbuffer);
		}
		if(!silent)
			CancelAction();
	}

	net_close(s);

	if (content_length < maxsize && sizeread != content_length)
	{
		result = HTTPR_ERR_RECEIVE;
		return 0;
	}

	result = HTTPR_OK;
	return sizeread;
}
示例#2
0
bool http_post (const char *url, const u32 max_size, const char *postData) {
	int linecount;
	if (!http_split_url(&http_host, &http_path, url)) return false;

	http_port = 80;
	http_max_size = max_size;
	
	http_status = 404;
	content_length = 0;
	http_data = NULL;

	int s = tcp_connect (http_host, http_port);
	if (s < 0) {
		result = HTTPR_ERR_CONNECT;
		return false;
	}

	char *request = (char *) memalign (32, 1024*6);
	snprintf(request, 1024*6,
		"POST %s HTTP/1.1\r\n"
		"Host: %s\r\n"
		"Content-type: application/x-www-form-urlencoded\r\n"
		"Content-length: %d\r\n\r\n"
		"%s",
		http_path, http_host, strlen(postData), postData); 
	
	gprintf("\n request:\n");
	//gprintf(request);
	gprintf("\n :request\n");

	bool b = tcp_write (s, (u8 *) request, strlen (request));

	free (request);
	linecount = 0;

	for (linecount=0; linecount < 32; linecount++) {
	  char *line = tcp_readln (s, 0xff, gettime(), (u16)HTTP_TIMEOUT);
		if (!line) {
			http_status = 404;
			result = HTTPR_ERR_REQUEST;
			break;
		}

		if (strlen (line) < 1) {
			free (line);
			line = NULL;
			break;
		}

		sscanf (line, "HTTP/1.%*u %u", &http_status);
		sscanf (line, "Content-Length: %u", &content_length);
		gprintf(line);
		gprintf("\n");
		free (line);
		line = NULL;

	}
	if (linecount == 32 || !content_length) http_status = 404;
	if (http_status != 200) {
		result = HTTPR_ERR_STATUS;
		net_close (s);
		return false;
	}
	if (content_length > http_max_size) {
		result = HTTPR_ERR_TOOBIG;
		net_close (s);
		return false;
	}
	http_data = (u8 *) memalign (32, content_length);
	b = tcp_read (s, &http_data, content_length);
	if (!b) {
		free (http_data);
		http_data = NULL;
		result = HTTPR_ERR_RECEIVE;
		net_close (s);
		return false;
	}

	result = HTTPR_OK;

	net_close (s);


	return true;
}
示例#3
0
bool http_request (const char *url, const u32 max_size) {
	int linecount;
	if (!http_split_url(&http_host, &http_path, url)) return false;

	http_port = 80;
	http_max_size = max_size;

	http_status = 404;
	content_length = 0;
	http_data = NULL;

	int s = tcp_connect (http_host, http_port);
//	printDebugMsg(NORMAL_DEBUG_MESSAGE,"tcp_connect(%s, %hu) = %d\n", http_host, http_port, s);
	if (s < 0) {
		result = HTTPR_ERR_CONNECT;
		return false;
	}

	char *request = (char *) malloc (1024);
	char *r = request;
	r += sprintf (r, "GET %s HTTP/1.1\r\n", http_path);
	r += sprintf (r, "Host: %s\r\n", http_host);
	r += sprintf (r, "Cache-Control: no-cache\r\n\r\n");

//	printDebugMsg(NORMAL_DEBUG_MESSAGE,"request = %s\n", request);

	bool b = tcp_write (s, (u8 *) request, strlen (request));
//	printDebugMsg(NORMAL_DEBUG_MESSAGE,"tcp_write returned %d\n", b);

	free (request);
	linecount = 0;

	for (linecount=0; linecount < 32; linecount++) {
	  char *line =  tcp_readln (s, 0xff, gettime(), HTTP_TIMEOUT);
//		printDebugMsg(NORMAL_DEBUG_MESSAGE,"tcp_readln returned %p (%s)\n", line, line?line:"(null)");
		if (!line) {
			http_status = 404;
			result = HTTPR_ERR_REQUEST;
			break;
		}

		if (strlen (line) < 1) {
			free (line);
			line = NULL;
			break;
		}

		sscanf (line, "HTTP/1.1 %u", &http_status);
		sscanf (line, "Content-Length: %u", &content_length);

		free (line);
		line = NULL;

	}
//	printDebugMsg(NORMAL_DEBUG_MESSAGE,"content_length = %d, status = %d, linecount = %d\n", content_length, http_status, linecount);
	if (linecount == 32 || !content_length) http_status = 404;
	if (http_status != 200) {
		result = HTTPR_ERR_STATUS;
		net_close (s);
		return false;
	}
	if (content_length > http_max_size) {
		result = HTTPR_ERR_TOOBIG;
		net_close (s);
		return false;
	}
	http_data = (u8 *) malloc (content_length);
	b = tcp_read (s, &http_data, content_length);
	if (!b) {
		free (http_data);
		http_data = NULL;
		result = HTTPR_ERR_RECEIVE;
		net_close (s);
		return false;
	}

	result = HTTPR_OK;

	net_close (s);

	return true;
}
示例#4
0
bool http_request (const char *url, const u32 max_size) {
	int linecount;
	int sslcontext = -1;
	if (!http_split_url(&http_host, &http_path, url)) return false;

	if (strncasecmp (url, "http://", 7) == 0)
		http_port = 80;
	else
		http_port = 443;

	http_max_size = max_size;

	http_status = 404;
	content_length = 0;
	http_data = NULL;

	int s = tcp_connect (http_host, http_port);
	if (s < 0) {
		result = HTTPR_ERR_CONNECT;
		return false;
	}
	if(http_port == 443)
	{
		//patched out anyways so just to set something
		sslcontext = ssl_new((u8*)http_host,0);
		if(sslcontext < 0)
		{
			gprintf("ssl_new\n");
			result = HTTPR_ERR_CONNECT;
			net_close (s);
			return false;
		}
		//patched out anyways so just to set something
		ssl_setbuiltinclientcert(sslcontext,0);
		if(ssl_connect(sslcontext,s) < 0)
		{
			gprintf("ssl_connect\n");
			result = HTTPR_ERR_CONNECT;
			ssl_shutdown(sslcontext);
			net_close (s);
			return false;
		}
		int ret = ssl_handshake(sslcontext);
		if(ret < 0)
		{
			gprintf("ssl_handshake %i\n", ret);
			result = HTTPR_ERR_STATUS;
			ssl_shutdown(sslcontext);
			net_close (s);
			return false;
		}
	}
	char *request = (char *) memalign (32, 1024*2);
	snprintf(request, 1024*2,
		"GET %s HTTP/1.1\r\n"
		"Host: %s\r\n"
		"Cache-Control: no-cache\r\n\r\n",
		http_path, http_host);

	bool b = tcp_write (http_port == 443 ? sslcontext : s, (u8 *) request, strlen (request));

	free (request);
	linecount = 0;

	for (linecount=0; linecount < 32; linecount++) {
	  char *line = tcp_readln (http_port == 443 ? sslcontext : s, 0xff, gettime(), (u16)HTTP_TIMEOUT);
		if (!line) {
			http_status = 404;
			result = HTTPR_ERR_REQUEST;
			break;
		}

		if (strlen (line) < 1) {
			free (line);
			line = NULL;
			break;
		}

		sscanf (line, "HTTP/1.%*u %u", &http_status);
		sscanf (line, "Content-Length: %u", &content_length);
		gprintf(line);
		gprintf("\n");
		free (line);
		line = NULL;

	}
	if (linecount == 32 || !content_length) http_status = 404;
	if (http_status != 200) {
		result = HTTPR_ERR_STATUS;
		if(http_port == 443)
			ssl_shutdown(sslcontext);
		net_close (s);
		return false;
	}
	if (content_length > http_max_size) {
		result = HTTPR_ERR_TOOBIG;
		if(http_port == 443)
			ssl_shutdown(sslcontext);
		net_close (s);
		return false;
	}
	http_data = (u8 *) memalign (32, content_length);
	b = tcp_read (http_port == 443 ? sslcontext : s, &http_data, content_length);
	if (!b) {
		free (http_data);
		http_data = NULL;
		result = HTTPR_ERR_RECEIVE;
		if(http_port == 443)
			ssl_shutdown(sslcontext);
		net_close (s);
		return false;
	}

	result = HTTPR_OK;

	if(http_port == 443)
		ssl_shutdown(sslcontext);
	net_close (s);


	return true;
}
示例#5
0
文件: http.cpp 项目: ifish12/WiiTweet
/****************************************************************************
 * http_request
 * Retrieves the specified URL, and stores it in the specified file or buffer
 ***************************************************************************/
int http_request(const char *url, FILE *hfile, u8 *buffer, u32 maxsize, bool silent, bool accept_encoding)
{
	int res = 0; int chunked = 0;
	char http_host[64];
	char http_path[256];
	char content_encoding[16] = "";
	u16 http_port;
	#ifdef DEBUGHEADERS
		int debugging = 0;
	#endif
	http_res result;
	u32 sizeread = 0;

	content_length = 0;

	int linecount;

	if(maxsize > MAX_SIZE){
		#ifdef DEBUGERRORS
			InfoPrompt("maxsize > MAX_SIZE");
		#endif
		return 0;
	}

	if (url == NULL || (hfile == NULL && buffer == NULL)){
		#ifdef DEBUGERRORS
			InfoPrompt("!url || (!hfile && !buffer)");
		#endif
		return 0;
	}

	if(!silent)
		ShowAction("Sending data...");
	
	split_res = http_split_url(http_host, http_path, url); // 2 : https ;  1 : http ;  0 : invalid url

	if (split_res == 2){
		http_port = 443;
		writeFunc = ssl_write;
		readFunc = ssl_read;		
	}else if( split_res == 1 ){
		http_port = 80;
		writeFunc = net_write;
		readFunc = net_read;
	}else{
		#ifdef DEBUGERRORS
			InfoPrompt("Invalid url");
		#endif
		return 0;
	}

	http_status = 404;

	int s = tcp_connect(http_host, http_port);

	if (s < 0)
	{
		result = HTTPR_ERR_CONNECT;
		#ifdef DEBUGERRORS
			InfoPrompt("Socket!");
		#endif
		return 0;
	}

	int ssl_context = 0;
	
	if(split_res == 2){  
		ssl_context = ssl_setup(http_host, s);
		#ifdef DEBUGERRORS
			if(ssl_context < 0){
				InfoPrompt("ssl_context() failed");
			}
		#endif
		if(ssl_context < 0){
			net_close(s);
			return 0;
		}
		scktctx = &ssl_context;
	} else{
		scktctx = &s;
	}

	if(curl_request){ //Request made by through the CURL class
		res = tcp_write(*scktctx, (u8 *) curl_request, strlen(curl_request));
	}else{
		char request[1024];
		char *r = request;
		r += sprintf(r, "GET %s HTTP/1.1\r\n", http_path);
		r += sprintf(r, "Host: %s\r\n", http_host);
		if(accept_encoding && hfile){
			r += sprintf(r, "Accept-Encoding: gzip, deflate\r\n");
		}
		r += sprintf(r, "Cache-Control: no-cache\r\n\r\n");
		res = tcp_write(*scktctx, (u8 *) request, strlen(request));
	}

	if(!silent)
		CancelAction();
		
	#ifdef DEBUGHEADERS
		InfoPrompt(http_path);
	#endif
	char line[1024]; //Twitter sends a long header

	for (linecount = 0; linecount < 45; linecount++)
	{
		if (tcp_readln(*scktctx, line, 1024) != 0)
		{
			#ifdef DEBUGERRORS
				InfoPrompt("tcp_readln != 0");
			#endif
			http_status = 404;
			result = HTTPR_ERR_REQUEST;
			break;
		}

		if (!line[0])
			break;

		#ifdef DEBUGHEADERS
				if(sscanf(line, "HTTP/1.%*u %u", &http_status)){
					if(http_status != 200)
						debugging = 1;
				}

				if(sscanf(line, "Content-Length: %u", &content_length) || sscanf(line, "Content-Encoding: %s", content_encoding)){
					if(!debugging){
						InfoPrompt(line);
					}
				}
				if(!strncmp(line, "Transfer-Encoding: chunked", 25)){ InfoPrompt("Transfer-Encoding: chunked"); chunked = 1; }
		#else
				sscanf(line, "HTTP/1.%*u %u", &http_status);
				sscanf(line, "Content-Length: %u", &content_length);
				sscanf(line, "Content-Encoding: %s", content_encoding);
				if(!strncmp(line, "Transfer-Encoding: chunked", 25)) chunked = 1;
		#endif

		u32 api_ratelimit=0;
		if(sscanf(line, "X-RateLimit-Remaining: %u", &api_ratelimit) && api_ratelimit <= 10 && api_ratelimit % 5 == 0){
			WindowPrompt("You are on fire!", "You are about to reach Twitter's requests limit. WiiTweet will not work correctly then.", "I'll take a break", 0);
		}
		
		if(get_timeoffset){
			if(!strncasecmp(line, "Date:", 5)){ //Case insensitiveness just in case...
				const char format[] = "%a, %d %b %Y %H:%M:%S %Z";
				const char *pointline = line;
				pointline += 6;
				struct tm tm;
				memset(&tm, 0, sizeof(tm));
				strptime(pointline, format, &tm);
				timeoffset = mktime(&tm) - time(NULL);
				get_timeoffset = 0;
			}
		}
		#ifdef DEBUGHEADERS
			if(debugging){
				InfoPrompt(line);
			}
		#endif
	}

	if (http_status != 200)
	{
		result = HTTPR_ERR_STATUS;
		#ifdef DEBUGERRORS
			if(ssl_context){
				if(ssl_shutdown(ssl_context)){
					InfoPrompt("ssl_shutdown() 1");
				}
			}
			net_close(s);
		#else
			if(ssl_context){ssl_shutdown(ssl_context);} net_close(s);
		#endif
		#ifdef DEBUGERRORS
			char status[64];
			sprintf(status, "HTTP Status = %d", http_status);
			InfoPrompt(status);
		#endif
		return 0;
	}//Try to read anyways? ssl gets rude if it is not convinced there is no data

	//length unknown - just read as much as we can
	if(content_length == 0)
	{
		content_length = maxsize;
	}
	else if (content_length > maxsize) //ssl_shutdown() would fail in this case (?), but it is not likely for our purposes...
	{
		result = HTTPR_ERR_TOOBIG;
		#ifdef DEBUGERRORS
			if(ssl_context){
				if(ssl_shutdown(ssl_context)){
					InfoPrompt("ssl_shutdown() 2");
				}
			}
			net_close(s);
		#else
			if(ssl_context){ssl_shutdown(ssl_context);} net_close(s);
		#endif
		#ifdef DEBUGERRORS
			InfoPrompt("content_length > maxsize");
		#endif
		return 0;
	}

	unsigned int inflatetype = 0;
	if(!strncasecmp(content_encoding, "gzip", 4)){
		inflatetype = 2;
	}else if(!strncasecmp(content_encoding, "deflate", 7)){
		inflatetype = 1;
	}else if(content_encoding[0] != '\0'){//Unsupported encoding. This should never happen.
		#ifdef DEBUGERRORS
			if(ssl_context){
				if(ssl_shutdown(ssl_context)){
					InfoPrompt("ssl_shutdown() 3");
				}
			}
			net_close(s);
		#else
			if(ssl_context){ssl_shutdown(ssl_context);} net_close(s);
		#endif
		#ifdef DEBUGERRORS
			InfoPrompt("Unsupported encoding");
		#endif
		return 0;
	}

	if (buffer != NULL)
	{
		if(!silent)
			ShowAction("Downloading...");

		if(inflatetype){ //Compressed content
			u8 * inflate_me = (u8 *) mem2_malloc(content_length, MEM2_OTHER);
			if(!inflate_me){
				#ifdef DEBUGERRORS
					if(ssl_context){
						if(ssl_shutdown(ssl_context)){
							InfoPrompt("ssl_shutdown() 4");
						}
					}
					net_close(s);
				#else
					if(ssl_context){ssl_shutdown(ssl_context);} net_close(s);
				#endif
				#ifdef DEBUGERRORS
					InfoPrompt("!inflate_me");
				#endif
				return 0;
			}
			#ifdef DEBUGHEADERS
				int tcpread = tcp_read(*scktctx, inflate_me, content_length, chunked);
				char atoi[64];
				sprintf(atoi, "%d", tcpread);
				WindowPrompt("tcp_read()", atoi, "ok", 0);
			#else
				int tcpread = tcp_read(*scktctx, inflate_me, content_length, chunked);
			#endif
/*
			static int s = 0;
			char path[256];
			sprintf(path, "sd:/catcha%d", s++);
			SaveFile ((char *)inflate_me, path, tcpread, 1);
*/
			sizeread = httpInflate(buffer, inflate_me, tcpread, inflatetype);
			if(sizeread < 0){
				mem2_free(inflate_me, MEM2_OTHER);
				#ifdef DEBUGERRORS
					if(ssl_context){
						if(ssl_shutdown(ssl_context)){
							InfoPrompt("ssl_shutdown() 5");
						}
					}
					net_close(s);
				#else
					if(ssl_context){ssl_shutdown(ssl_context);} net_close(s);
				#endif
				#ifdef DEBUGERRORS
					InfoPrompt("sizeread < 0");
				#endif
				return 0;
			}

			mem2_free(inflate_me, MEM2_OTHER);
		}else{ //Uncomprpessed content
			sizeread = tcp_read(*scktctx, buffer, content_length, chunked);
		}

		if(!silent)
			CancelAction();
	}
	else // write into file
	{
		/* Uncompressed data. This may fail if the content is chunked and longer than 32KB+2B but chunked is not used in such scenarios */

		u32 bufSize = (1024 * 32);
		u32 bytesLeft = content_length;
		u32 readSize;

		if(!silent)
			ShowProgress("Downloading...", 0, content_length);
		u8 * fbuffer = (u8 *) malloc(bufSize);
		if(fbuffer)
		{
			while (bytesLeft > 0)
			{
				if (bytesLeft < bufSize)
					readSize = bytesLeft;
				else
					readSize = bufSize;

				res = tcp_read(*scktctx, fbuffer, readSize, chunked);
				if (!res)
					break;

				sizeread += res;
				bytesLeft -= res;

				res = fwrite(fbuffer, 1, res, hfile);
				if (!res)
					break;
 
				if(!silent)
					ShowProgress("Downloading...", (content_length - bytesLeft), content_length);
			}
			free(fbuffer);
		}
		if(!silent)
			CancelAction();
	}

	#ifdef DEBUGERRORS
		if(ssl_context){
			if(ssl_shutdown(ssl_context)){
				InfoPrompt("ssl_shutdown() 6");
			}
		}
		net_close(s);
	#else
		if(ssl_context){ssl_shutdown(ssl_context);} net_close(s);
	#endif

	if (content_length < maxsize && sizeread != content_length && !inflatetype)
	{
		#ifdef DEBUGERRORS
			InfoPrompt("ERR_RECEIVE");
		#endif
		result = HTTPR_ERR_RECEIVE;
		return 0;
	}

	if (http_status != 200){
		#ifdef DEBUGERRORS
			InfoPrompt("http_status != 200");
		#endif
		return 0;
	}

	if(result) //Avoid ugly compiler warning :p
		result = HTTPR_OK;

	return sizeread;
}